add ut and failover shields

Signed-off-by: YunhuiChen <[email protected]>

README.md

@@ -14,7 +14,8 @@
 [![Releases](https://img.shields.io/github/v/release/opencurve/curve?include_prereleases)](https://github.com/opencurve/curve/releases)
 [![LICENSE](https://img.shields.io/badge/licence-Apache--2.0%2FGPL-blue)](https://github.com/opencurve/curve/blob/master/LICENSE)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/6136/badge)](https://bestpractices.coreinfrastructure.org/projects/6136)
-
+[![Jenkins Coverage](https://img.shields.io/jenkins/coverage/cobertura?jobUrl=http%3A%2F%2F59.111.91.248%3A8080%2Fjob%2Fcurve_untest_job%2F)](http://59.111.91.248:8080/job/curve_untest_job/HTML_20Report/)
+[![Robot failover](https://img.shields.io/jenkins/build?jobUrl=http%3A%2F%2F59.111.91.248%3A8080%2Fjob%2Fcurve_failover_job%2F)](http://59.111.91.248:8080/job/curve_failover_job/)
 
 Curve is a high-performance, lightweight-operation, cloud-native open source distributed storage system. It can be applied to mainstream cloud-native infrastructure platforms:
 - connect to OpenStack platform to provide high-performance block storage services for cloud VM;